Circuit closer



Oct. 5 9

- F. A. SCHUMACHER GIRGUIT'CLOSER Filed sept. 27, 1922 n i l l 4 n l I nn a l l gambi Sa um aeer Patented Oct. 5, 1926.

UNITED STATES FRANK A. SCHUMACHER, 0F COLUMBUS, OHIO.

CIRCUIT CLOSER.

Application filed September 27, 1922.

The present invention relates to an alarm especially adapted to be usedupon automobiles and the like and has for its principal object toprovide an audible alarm electrically operated which will be soundeduponany unauthorized person tampering with the gas control, the clutch orthe hood of the automobile, and means are also providedk for placing thealarm in an inoperative position when the automobile is being used by anauthorized person Another object ot thev invention is to provide adevice of this nature which will be simple and efiicent, easilyinstalled and reliable in operation.

With the foregoing and other objects in view which will appear as .thedescription proceeds, the invention resides in the combination andarrangement of parts and in the details of construction hereinafterdcscribed and claimed, it being understood that changes in the preciseembodiment of the invention herein disclosed, can be made within thescope of what is claimed without departing from the spirit of theinvention.

Figure 1 is a top plan of the alarm showing the same in its casing, and

Figures 2, 3, and 4: are longitudinal sections through the casingshowing the alarm in various positions.

Referring to the drawing in detail it will be seen that 11 designatesthe casing for housing the alarm which contains the batteries 1 2 andthe audible signal 13 in the :form of an ordinary electric bellincluding the clapper 14. The batteries are connected in series and alead 15 rextends from one terminal to one terminal of the audible signal13. `A second lead 16 extends'from the terminal of the other battery tothe Contact member 17 which is separated from the contact member 18, anda pivoted bridging member 19 is disposed between the two confacts 17 and18 and a lead 20 extends from the contact 18 and has connected theretothe wires 2, 4 and 6. A lead 21 extends from the other terminal of theaudible signal 13 and has connected thereto the leads 1, 3 and 5. Theleads 1 and 2 are connected to a clutch contact which is closed when anattempt is made to use the clutch and may be of any preferredconstruction. The leads 3 and 4 lead to the gas throttle and areprovided with a contact closed upon an attempt being made to open thegas throttle, and

serial No. 590,883.

this contact may be of any conventional construction. The leads 5 and 6are connected to a hood circuit closer which is closed upon the hoodbeing raised and may be of any preferred construction.

A spring arm 25 is mounted at one end 26 to the bottom of the casing 11and is curved as at 27 so that the remaining portion extendssubstantially parallel to the bottom of the casing 11. A catch 28 ismounted in the casing and adapted to engage the other end of the springarm 25 for holding it out of engagement with an auxiliary spring arm 29whichv is disposed so as to be normally out of engagement with thecontact bracket 30 which is connected to the lead 7, and the auxiliaryspring arm 29 is connected to the lead 8 both of which leads areconnected to the horn 32. The catch 28 is engageable by the clapper 14of the bell 13 so that when the bell is actuated the clapper will causethe catch 28 to disengage the end of the spring arm 25 thereby forcingthe auxiliary spring arm 29 in engagement with the contact bracket 3()and the horn will be sounded as any suitable source of electrical energymay be disposed in the circuit it not being.

tluught necessary to here disclose this detai A second auxiliary springarm 35 is mounted in the casing and is normally disposed out ci'engagement with the contact bracket 36. The spring arm 37 is engaged bythe lead 1() and the bracket 36 by the lead 9 which form the ignitioncircuit of the internal combustion engine used in the automobile. Whenthe spring arm 25 is depressed as shown in Fig. 4L it engages theauxiliary spring arm 35 causing it to engage the bracket 36 therebyclosing the ignition circuit. The pivoted bridge member 19 has a chain37 attached thereto which is also connected to the spring arm 25 so thatwhen the bridge member is turned to a position as is shown in Fig. 4,the chain will cause the depression of the spring arm 25 causing it toengage the spring arm 35 and close the ignition circuit. This bridgemember is actuated by a rod 38 which in turn is actuated by a keyinsertable in any suitable locking mechanism 39.

The owner of the automobile, when leaving the same, actuates the bridgemember 19 in the position shown in Fig. 3, and should any one tamperwith the clutch, gas throttle, or hood of the automobile, a circuit willbe closed `for sounding the electric bell 13 as previously explainedwhich will cause the catch 2S to released from the spring' arm therebyvallowing' the spring arm to close the horn circuit. lVhen it is desiredby the own-er ot' the automobile to start the engine and place the alarmin an inoperative position, the device is pla-.ced in the position shownto advantage in Fig. y'l which causes the depression ot the spring armQ5 thereh7 closing the ignition circuit through the spring' arm 35 andbracket 3G.

Having thus described mj; inrention what I claim is l. In an alarm etthe class described, an electric bell including a chipper, a springarmhaving one end fixed, a catch for engagging the free end of the spring,l arm, and adapted to be moved ont ot engagement therewith by theclapper or the bell, a circuit closer disposed below the spring arm andactuated thereinv when the sprine` arm is lowered, and a manuali;Toperatable element for lowering` the spring; arm to place Ithe same inengagement with the catch and to close the circuit closer.

Q. In an alarm, an electric bell. a

clappcr forming a part of the electric bell, a s 1 pi ng arm having oneend fixed, a catch engagcable with the other end of tlv spring arm andadapted to be moved out et engagement therewith by the clapper of thebell, a circuit closer disposed above the spring` arm and actuated to aclosed position when said spring` arm is releasec, a circuit closerdisposed below the springl arm and actuated thereb7 lwhen the springarni is lowered, and a manuali),v rotatable clement tor lower ingv thespring arm for placing the same in engagement with the catch and toclose the second mentioned circuit closer when dcsired.

In combination, a spring arm, a circuit oloser including a pair ofspaced contacts, a bridge member piwtall); mounted between the spacedcontacts', a Vchain connectinthe bridge member and the spring arnn asecond circuit closer disposed below the spring arm and actuatedtherebyY when the same is lowered hv the bride'e when it is r :"ulcrumedout ot' engagement with its contact.

In testimonv whereof I alti); my signature.

FRANK A. SCHUL-XCHER.

